Carton-sealing machine.



vH. L. JOHNSON. CARTON SEALING MACHINE.

APPLICATION FILED sBPT.2a,1913.

Patented Mar. 23, 1915.

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H. L. JOHNSON.

CARTON SEALING MACHINE.

APPLICATION FILED SEPT.29.1913. l

Patented Mar. 23, 1915.

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witmooco 12M! a 452@ I gm Z? MF' H. L. JOHNSON.

GAR-TON SEALING MACHINE.

APPLICATION FILED sBPT.29,1913.

1,1 32,586. Patented Mar. 23, 1915.

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Sinnen/6oz f im Maim- @tto/Lump) H. L. JOHNSON.

CARTON SEALING MACHINE.

APPLICATION FILED SBPT.29, 191s.

Patented Mar. 23, 1915.

5 SHEETS-SHEET 4.

Suv-Muto@- H. L. JOHNSON.

CARTON SEALING MACHINE.

APPLICATION FILED sEPT'.z9,191s.

Patented Mar. 23, 1915.l

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HARRY L. JOHNSON, OF BATTLE CREEK, MICHIGAN, .ASSIGNOB TO JOHNSGN AUTOIVIA'IICv SEALER C0., LTD., OF BATTLE CREEK, MICHIGAN.

s cAnfroN-sEALrNG MACHINE.

Lacasse.

Specification 'of Letters Patent. Pgatgmlfd Mar. 23, 1915.

Application led September 29, 1913. Serial No. 792,433.

T0 all whom it may concern.:

Be it known that I, HARRY Il. JOHNSON, a citizen of the United States, residing at Battle Creek, Michigan, have invented certaln new and useful Improvements in Carton- Sealing Machines, of which the following is a specification.

rhis invention relates to improvements in lcarton sealing machines.

' In carton sealing machines such as have been commonly used for sealing cartons containing paper bags or inner containers for the material such asgranular or iiaked preparedfoods, it has been customary.l to fold,

or partially fold, the topsof the bags by hand prior to the cartons passing or being delivered into the sealing machine. rIhis,

, in addition to the labor required, is objectionable on account of the handling of the bags and the hands of the operator coming into contact more or less with the food or material in the containers.

The main objects of my present invention are: First, to providean improved sealing machine in which the bags or inner containers are automatically folded. Second, to

provide an improved sealing machine in following specification.

The invention is clearly defined and pointa ed out inthe claims.

A structure whichis a preferred embodiment of my invention is clearly illustrated in the accompanying drawing forming afpart of this specification, in which: '1

Figure I is a plan view of a `structureembodying the features of my invention, the forward ends of the feed belts being broken away, the delivery conveyer being omitted. Fig. II is a side perspective of the parts of the machinevshown in Fig. I, at the left of front end of the delivery conveyer being shown in operative position. Fig. III is a vertical longitudinal section on a line corresponding to line 8-3of Fig. I; Fig. IV is an enlarged view of the shifter mechanism, partially in section, on a line corresponding to line 4 4 of Fig. III. Fig. .V is an inverted view of one ofthe bag folder mechanisrns. Fig. VI is detail vertical section on a line corresponding to line 6-6 of Figs. I and' V, the folder member being shown in its extended positionand in operative relation to a. .package or carton. i Fig. VII is a detail horizontal section on a line corresponding to line 7 7 of Fig. VI. Fig. VIII is an enlarged detail horizontal section on a line corresponding to line 8 8 of Fig. III, showing details of the carton stop. Fig. IX is a detail view of the material compressor.

In the drawing similar reference characters refer toy similar parts throughout the several views,'and the sectional views arel taken looking in the direction of the little arrows at the ends of the section lines.`

Referring to the drawing, the frame l comprises side members connected by suitable cross pieces to4 form a rigid frame to support the mechanism and the driving connections therefor. frame form no part of my present invention, I do not describe the same herein.

The sealing conveyer chain 2 is supported on suitablesprockets 3 and e at the front and rear of the machine. Thefconveyer 1s l provided with flights 5 for carrying the cartons. Asthe structural details form no part of this invention I do not describe it with further details.

The packages or cartons are delivered to the sealing conveyer from the feed belts 6,

the vinner ends of which are supported by pulleys 7 so that the upper reaches of the feed belts are in the plane of the bases S of the Iiights 5 when they are in their carrying position, the belts overlapping the sealing conveyer at each side. Each of the feed belts are provided with guide bars 9 at their rear ends so that the cartons are properly delivered to the Shifters 10 which are mounted to reciprocate across the feedbeltsto deliver the packages therefrom onto the sealing conveyer, first from one belt and then the other. f

The shifter plates or members 10 are mounted on the rod 11 supported above the conveyer and feed belts, as shown. The shifter members 10 are connected to the sleeve-like slide 12 which is connected by the link 13 to the bell crank leverA 14. T he bell crank lever -14 is pivotally mounted at 15. The bell crank is actuated by the link 16 which? is connected to the lever 17 pivoted at 18 Vtoward the rear of the machine and driven from the .cam wheel 19 on the shaft 2O of the rear conveyer sprocket 4, thus ,se-

. curing the proper timing in the actuation of the shifter with the conveyer. rlhe central shifter plate 21 is carried by the slide 22 slidably mounted on the sleeve 12. The member 21 is connected by the link 23`to the bell crank 14, the connection for the link to he lever on the inner side of the connection for the link 13 thereto. vifi/'ith the links 23 and 13 thus connected, the shifter plate 0I' member 21, which coacts with both of the shifter members 10,V opens up at the end of the out-stroke to receive the cartons as they are delivered onto the conveyer and closes up on the cartons to effectively transfer them and to take out any bulge in their side walls and to effectively deliver them between Vthe side bars 36 of the sealing conveyer.

To prevent the cartons from piling or stacking into the shifter, the shifter members are 'provided with guards 24 which move across the feed belts as the shifter members move to their delivery position, one guard being in its open position when the other is in its closed position. See Fig. 1. 'ihesel guard members move between the guide pins 25,. as shown in the drawing.

Thezdeliver'y of the cartons is further controlled bythe stops 26 which are mounted on pivots 27 in the stop supports 28. The stop supports 28 consist of a pair of plates connected by bolts 29 having spacing sleeves 30 thereon. The stops are held in their engaging position by the catches 31 which are carried by the pivot members 32 and project to be engaged by the trip blocks 33 on the shifter guard members 24 as they move on their inner or delivery stroke. rllhe catch is returned to its engaging position when released by the trip blocks by means of the vcoiled springs 34 and the stops are returned .to theiroperative position against the pins 26 by means of the coiled springs 35. See Fig. V111. i

At each side of thc conveyer are side bars 36 which hold the cartons against twisting movement. The cartons may be placed on the feed belts by hand or delivered -automatically thereto from the filling machine. They are ordinarily delivered withf'the top flaps of the carton in a more or less upright rasate@ position and the inouths of the bags or inner container open. By this mechanism described, the cartons are effectively delivered. to the sealing conveyer by which they are carried through the machine. j

As the filled packages are carried along on the sealing conveyer, the material is compressed, should it be above the level of the top of the carton, by a compressor means comprising a' shaft 37 having an arm 38 thereon provided with a curved shoe 39 which strikes into the bag and passes out of the same as the package is carried along by the conveyer'. rihe compressor arm is provided with diverging spreaders 40 which spread the mouth of the bag sothat it left in proper condition for the bag folding mechanism.

As the cartons pass from the compressor device, their side flaps are engaged by the Y spreaders 41 which are supported to extend downwardly and rearwardly, as shown in Figs. 1 and lill. rllhese flat spreaders 41 are preferably formed of rods, as shown, for convenience in manufacture. The side folders for the bag or other container are disposed at the sides of the conveyer, one slightly in advance of the other, so that they operate successively.A

rThe folder members 42 are pivotally mounted on the reciprocating members 43 by means ofthe pivots 44. rlihe slide members 43 are carried by the carriages 45 mounted on rod-like ways 46. rlhe carriages reciprocate parallel with the conveyer way, while the folder members reciprocate transversely of the conveyer ways. See Figs. V and V1.

The ways 46 are carried by brackets 47 projecting inwardly from the side members of the frame. their ways and the folder members reciprocated by means of cams 49 on the under sides of the brackets 48, thecamshaving cam grooves 49 therein. See Fig. V1. The slide' members 43 are provided with upwardly projecting pins 50 which engage these grooves.

A rlihe vertical shafts 51 are provided with arms 52 having slots 53 therein engaging the pins so that, as the shafts are revolved, f y

the pins are carried around in the cam grooves,-thus reciprocating the folder members on the carriages, and also reciprocating the carriages on their ways. rllhis secures an inward and forward work-stroke for the folder `members so that they move along with the cartons as they are carried by the conveyer.

The folder members 42 are also rocked in their horizontal pivots 44 at the eXtreme end of their outer.stroke or movement to press the folded portion of the bag downwardly. The folder members are held normally elevated by means of the coiled springs 54. As the carriages 4are reciprocated ontheir rl`he carriages are moved on work-stroke, the pins 55 on the folder members engage cams 56 on the brackets 48, rocking the folder members on their pivots. As soon as the pins pass from the cams, the springs 54 raise the folder members.

The shafts 51 are provided with sprockets 57 which are connected by the sprocket chains 58 to the sprockets 59 on the shafts 60 of the flap presser devices. In Fig. VI, a carton 61 withthe inner container 62 therein, is shown, the parts being shown at the end of the work-stroke of thefirst folder.

. The second flap folder is a duplicate of that described and performs its work immediately after the first folder has performed its Work, folding the opposite side of the bag or inner container inward upon the previously folded part, leaving the front and rear portions in a more or less upright position. The reail and front flap portions of the' er container are folded inwardly with the front and rear flaps ofthe carton.

The echanism is arranged so that this takes place promptly after the folding of the side flaps of the inner container. The rear flap folder 63 is mounted on the rockshaft 64 and provided with a segment 65' driven through the curved rack 66 on the rock shaft 67, the object beingto actuate the iiap folder with a quick stroke so that the rear flaps are folded forwardly as the car- -tons are carried. along and just previous to the engagement o'f the front flaps With the flap folder 68 so that the rear flap is folded under the front flap. The front flap folder 68 is in the form of a stationary shoe which merely presses the vflaps down as the cartons are carried along by the conveyer.

The rock shaft 67 is provided with an arm 69 (see Fig. II) connected by the link 70 to the lever 71 which is pivoted at 72 and actuated by the cam 7 3 on the shaft 74. See Fig. IIA. The shaft 74 is driven from the shaft 2O by means of the sprocketchain 75.

The glue rollers 78 are disposed immediately at the rear of the rear iiapefolder 68 and apply the glue or suitable adhesive to the side flaps of the carton, the side flaps passing betweenl the glue rollers 7 8 and the support ing rollers 79. After the cartons pass the glue rollers, their side flaps are folded or turned inwardly by the flap turners or fold: ers 80. These flapturners are arranged so' that one acts 'slightly in advance `of the other. These flap turners are shaped somewhat like a I nold board, their forward ends engaging under the flaps so vthat-asthe cartons are carried along the aps are turned inwardly.

- .At the rearfof the flap folders 8O are flap pressers 81 arranged to act alternately, the pressers acting to press one ,of the glued `carton flaps down upon the inner flaps,-l

that is, the front and rear flaps and the other presser fold the opposite Side flap p down veyer by means of the discharge belts 86 arranged at each` side of the conveyer at its rear end to receive the cartons between them as the conveyer passes over its rear sprocket. carrying them into the delivery conveyer' 87 by which they are carried vto the packing stand, or delivered as may be desired. Above this delivery conveyer 87 isfa top retaining belt 88 which presses the flaps together until the glue is set. As the cartons4 leave the rea-r flap presser, the flaps pass under the flap retaining bar 89 which holds them down while carriedby the dicharge belts 86 andl until thev are engaged bythe retaining belt 88 above the delivery belt. The cartons are j guided to the delivery conveyer 87 by a guide 90 arranged in front of the pulley 91 for the front end. of the delivery belt 87. The delivery belt is driven from the shaft 20 by means of the sprocket chain 92 and the sprocket 93 on the shaft 94 of the pulley. The delivery belts 86 are supported on pulleys 95 on the vertical shafts 84 and the pulleys 96 on the shafts 97 carriedby the rearwardly projecting arms 98 on the frame. The shafts 84 are driven from the shaft 20 through the beveled gear connections 99.

The speedof these belts is greater than that of the sealing conveyer, so that, as the cartons are engaged by the delivery belts, they are carried off the iights.

The shaft 100 of the glue rollers is connected by the gears 101 and 102 to the driv-I ing shaft 76, and is provided with a suitable pulley 104 on the left hand side of the machine. See Fig. I.

The shaft 20 is connected by the sprocket 77 to a sprocket 105 connected to the gear 106 revolubly mounted on the driving shaft 76. The gear 1 06 is driven from a gear 107 detachably connected by the clutch 108 to thezglue roller shaft 100. The clutch is co-ntrolled bythe lever 109. See Figs. I and IIA.

. The shaft 37 for the material presser is connected by the gears 110 and 111 topa shaft 112 toward the-front end ofthe machine which is in turn. connected by the chain 113 lo i by the sproclret chains 116 to sprockets 117 connected with the feed belt pulleys 7.

The parts are thus all connected to prop'- erly time their operation. rfhe steps or cycle of operation of the machine is as follows 'lhe filled cartons with the inner paper bags or containers therein are delivered in t\vo streams by the feed belts 6 from which they are shifted alternately onto the sealing conveyer flights 5 by means of the shifter mechanism described.l As the cartons are carried along by the sealing conveyer, the material iscompressed to the level of the top of thev carton by means of the compressor slice 39, the mouth of the bag being held open by the spreaders e0. 'lhe compressor shoe, asstated, moves into andout of the cartons as they travel along. As the compressor slice is moving out of the containers, the side flaps are engaged by the flap side spreaders il and moved downwardly so as to be cut of the Way of the side folders of the inner containers which act alternately as described, to fold the sides of the inner containers inwardly one upon the other. The rear flap is then engaged bymthe rear flap folder 63 lWhich is actuated in proper time to fold thev rear flap under the front flap as it is foldeddovvn bv the front flap Vfolder 68A which is directly in front of the glue rollers 78 by Which the glue is applied to the side flaps as the cartons are carried under" them. At the-rear of the glue rollers are the flap turners 8O which act successively on the side flaps to turn them inwardly into position to be engaged by the flap pressers 81. These flap tui-ners do not press the flaps uponeach other, which allows a little time for the glue to set slightly or become ,tacky before they are pressed down by the pressers 81. The side flaps are successively engaged by the flap pressers 81 and sealed or pressed together. As the cartons pass fromthe rear or last flap presser S1, they pass under the retaining bar 89- by which they are held in their closed positions as they are being charge mechanism onto the delivery belt which is provided with the flap retainingbelt 88 so that the glue has sufficient time to set before the sealed cartons are finally delivered.

lt Will be understood that l have used the terms front and rear and side flaps as refer ring to the relative' position of the flaps While the cartons are passing through the machine. e

I have illustrated and described my improvements in the embodiment Which l have found satisfactory and practical in use. l

have not attempted to illustrate or describe any modifications as l believe the disclosure made will enable those skilled in the art to embody my improvements as conditions may require. My improved sealing machine is delivered by the dis` insane@ tion of a conveyer having flights thereon, in

ner container folding devices disposed at the sides of the conveyer, to act successively,

each folding device comprising a carriage mounted to reciprocate parallelivith the conveyer, a folder member, a reciprocating support on which said folder member is pivotally mounted, said support being mounted on said carriage to reciprocate transversely of said conveyer, a cam member having a cam groove therein, a pin on said folder 'member support engaging said cam groove, a shaft having aflongitudinallv slotted arm thereon engaging saidpin whereby the carriage and said folder member are reciprocated, a spring for holding said folder member in its elevated position, means for actuacting said folder member on its pivot coninrising a cam, a pin on said folder member adapted to engage said cam as the said carriage and folder member support are actuated on their Woilcstrolre, downwardly and rearwardly projecting diverging side flap spreaders arranged one at each side of the conveyer to spread the side flaps as the cartons are carried alongby the conveyer and to retain the same during the operating of said inner container folding devices, a rear J flap closer disposed at the rear of the inner container folder devices adapted vto fold the rear carton and the rear inner container flaps forwardly together', a front iiap closer adapted to' fold thefront carton'and the front inner container flaps upon the rear flaps as the cartons are carried along, means for applying glue to the side flaps, means for successively turning the side flaps inwardly, and means for successively pressing the inturned side flaps upon the inner iiaps.

2. ln a combined inner container closing `and carton sealing machine, the combination of a conveyer having flights thereon, inner container folding devices disposed at the sides of the conveyer, to act successively,

e each folding device comprising a carriage mounted to reciprocate parallel with the conveyer, a folder member, a reciprocating support therefor mounted on said carriage to reciprocate transversely of said conveyer, a cam member having a cam `groove therein, a pin on said folder member support engaging said cam groove, a shaft having a lon gitudinally slotted arm thereon engaging said pin whereby the carriage and said folder member are reciprocated, Ydownwardly and rearwardly projecting diverging side flap spreaders arranged one at each side of the conveyer to spread the side flaps as the cartonsl are carried along by the conveyer and to retain the same during the operating of said inner container folding'devices, a rear flap closer disposed at the rear 4 of the inner container folder devices adapted to fold the rear carton and the rear inner container flaps forwardly together, a front flap closer adapted to fold the frontcarton and the front inner container flaps upon the rear Aflaps as the cartons are carried along, means for applying glue tc the side flaps, means for successively turning the side flaps inwardly, and means for successively pressing the inturned side flaps upon theinner flaps. y

3. ln a carton sealing machine the combination with a conveyer of folding devices disposed at the sides of the conveyer, to act successively, each' folding device comprising a carriage mounted to reciprocate parallel with the conveyera folder member, a reciprocating support on which said folder member is pivotally mounted, said support being mounted on said carriage to reciprocate transversely of said conveyer, a cam member having a cam groove therein, a pin on said folder member support engaging 'said cam groove, a shaft, having a longitudinally slotted arm thereon engaging said pin whereby the carriage and saidfolder member are reciprocated, a spring for hold-1 ing said folder member in its elevated position, means for actuating said folder member on its pivot comprising a cam, a pin on said folder member adapted to engage said cam as the said carriage and folder member support are actuated on their work-stroke, and side-flap spreaders-arran'ged to spread the side flaps as the cartons are carried along by the conveyer and to retain the same during the operating of said inner container folding devices.

4. In a carton sealing machine the combination with a conveyer of folding devices disposed at the sides of the conveyer, to act successively, each folding device comprising a carriage mounted to reciprocate parallel with the conveyer, Ya folder member, a reciprocating support for said folder member mounted on said carriage to reciprocate transversely of said conveyer, a cam member having a cam groove therein, a pin on `said folder member support engaging said cam groove, a shaft having a longitudinally slotted arm thereon engaging said pin whereby the carriage and said folder mem-A bei-'are reciprocated, and side flap spreaders arranged to lspread. the side flaps as the` cartons are carried along by the conveyer and to retain the same during the operating of said inner container folding devices.

In a carton sealing machine, the combination with a conveyer, of a rfolding device comprising a carriage mounted to reciprocate parallel with the conveyer, a

vices disposed at the, sides of the conveyer said'conveyer, acam member having a cam 70 Igroove therein, a pin on said folder member support engaging said cam groove, a shaft having a longitudinally slotted arm thereon engaging said pin whereby the carriage and said folder member are reciprocated, a spring for holding said folder mem.- ber in its elevated position, means for actuating said folder member on its pivot comprising a cam and a pin on said folder member adapted to engage said cam as the said carriage andv folder member support are al', tuated on their work-stroke.

v6. ln a combined innercontainer closing and carton sealing machine the combination of a conveyer, a compressor adapted to compress the material within the containers when the same is above a predetermined level, and adapted also 'to spread or open the mouthsof the containers, inner container folding devices disposed at the sides of the conveyer to act successively, each i folding device comprising a carriage mounted to reciprocate parallel with the conveyer,l a folder member, a reciprocating support on which said folder member is pivotally mounted, saidsupport being mounted on vsaid carriage to reciprocate transversely of said conveyer, Vmeans for simultaneously actuating said carriage and said folder member support whereby an inward and rearward movement thereof is` secured, a spring forholding said folder member in its elevated position, `means for actuating said folder member on its pivot comprising a cam and a pin on said .folder member adapted to 'engage said cam as the said carriage' and folder member support are actuated on their work-stroke, side flap'spreaders arranged ,Y to spread'the side flaps as the cartons are carried along by the conveyer and to retain 'the same during the operating of said inner container folding devices, a rear flap` closer disposed at the rear of the inner container folder device adapted to fold the rear carton and the rear inner container flaps forwardly together, a front flap closer adapted to fold the front .carton and the front` 7. In a combined 'nner container closing l y and carton sealing machine the combmatlon of a conveyer, inner container folding deto act successively;eachfolding ldevice comprising a carriage mounted to reciprocate lparallel with the conveyer,` a folder inember, a reciprocating. support on which said :folder member is pivotally mounted,` said support being mounted' on said carriage to 130 j ideate@ reciprocate transversely of said conveyer, means for simultaneously actuating said carriage and said foldermember support whereby an inward and rearward movement thereof is secured, a spring for holding said folder member in its elevated position, means for actuating said folder member on its pivot comprising a cam and a pin on said folder member adapted to engage said cam as the said carriage and folder member support are actuated on their work-stroke,

side flap spreaders arranged to spread the side flaps as the cartons are carried along by the cbnveyer and to retain the same during the operating of said inner container folding devices, a rear flap closer disposed at the rear of the inner container folder device adapted to fold the rear carton and the rear inner container flaps forwardly together, a front flap closer adapted to fold the front carton and the front inner container flaps upon the rear flaps as the cartons are carried along, and means for folding and sealing the side flaps.

8. ln a carton sealing machine the combination of a conveyer, folding devices disposed at the sides of the conveyer to act successively, each f olding device comprising a carriage mountedto reciprocate parallel with the conveyer, a folder member, a reciprocating support on which said folder member is pivotally mounted, said support being mounted on said carriage to reciprocate transversely of said conveyer, means for simultaneously actuating saidcarriage and said folder member support whereby an inward and rearward movement thereof is secured, a spring for holding said folder member in its 'elevated position, ineans for actuating said folder memberl on its pivot comprising a cam anda pin on said folder member`- adapted to engage said cam as the said carriage and folder member support .are actuated on their work-stroke'.

9. ln a combined inner container closing and carton sealing machine the combination of a conveyer, a compressor adapted to compress the material within the containers .when the same is above a predetermined level, and adaptedl also to spread or open the mouths of the containers, inner container folding devices disposed at the sides of the conveyer to act successively, each folding device comprising a carriage mounted to reciprocate parallel with the conveyer, a folder member, a reciprocating `support on which said folder member is mounted, said support being mounted on said carriage to reciprocate transversely of said conveyer, means for simultaneously actuating said v carriage and 'said folder member support whereby an inward and rearward movement thereof is secured, side flap spreaders arranged to spread the side flaps as the cartons are carried along by the conveyer and to retain the same during the operating of said inner container folding devices, a rear flap closer disposed at the rear of the inner container folder devicek adapted to fold the rear carton and therear inner container flaps forwardly together', a front flap closer adapted to fold the front carton and the front Vinner container flaps upon the rear iaps as the cartons are carried along, and means for folding and sealing the side naps.

l0. ln a combined inner container closing and carton sealing machine the combination of a conveyer, inner container folding (le-,

vices disposed at the sides of the conveyer to actv successively, each folding device comprising a carriage mounted to .reciprocate parallel with the conveyer, a folder member, a reciprocating support on which said folder member is mounted, said support being mounted on said carriage to reciprocate transversely of said conveyer, means for simultaneously actuating said carriage and said folder member support whereby an inward and rearward movement thereof is secured, side flap spreaders arranged to spread the side fiaps as the cartons are carried along by the conveyer and to retain the same during the operating of said inner container folding devices, a rear flap closer disposed at the rear of the inner container folder device adapted to fold the rear cartonv and the rear inner container flaps forwardly together, a front Hap closer adapted to fold the front carton v,and the front inner container flaps uponthe rear flaps as the cartons are carried along, and means for folding and sealing the side flaps.

11. lin a combined inner container closing and carton sealing machine the combination of a conveyer, a compressor adapted to compress the material within the containers when the same is above a predetermined level, and adapted also to spread or open the mouths Vof the containers, inner con# tainer folding devices disposed at the sides of the conveyer to act successively, each folding device comprising a carriage mounted to reciprocate with the conveyer, a folder member, a reciprocating support on which said folder member .is mounted, said support being mountedon said carriage to reciprocate transversely of said conveyer, means for simultaneously actuating said carriage and said folder member support whereby an inward and rearward movement thereof is Secured, a rear AHap closer disposed at the 'rear of the inner container folder device adapted to fold the rear carton and the rear inner container flaps forwardly together, a

front flap closer adapted to fold the front carton and the front inner container flaps- Aupon the rear flaps as the cartons are carried along, and means for folding and sealing the side flaps.

12. lln a combined inner container closing CMI and carton sealing machine the combination .of a conveyer, inner container folding defolder member is mounted, said support being mounted on said carriage to reciprocate transversely' of said conveyer, means for simultaneously actuating said carriage and said folder member support whereby aninward and rearward movement thereof is secured, a rear flap closer `disposed at the rear of the inner container folder device adapted to fold the rear carton and the rear inner container flaps forwardly together, a

front flap closer adapted to fold the front carton and the front inner container flaps upon the rear flaps as the cartons are carried along, and means for folding and sealing the side flaps.

13. In a combined inner container closing and carton sealing machine-the -combination of a conveyer, a compressor adapted to compress the material within the containers when the same is-above a predetermined.

level and adapted also to spread or open the mouths of the containers, inner container folder members having an inward and rearward work stroke and a vertical movement during the latter .part of the work stroke,

side flap spreaders arranged to spread the Y sideflaps of the carton prior to the o eration of said inner container folder mem ers,

and lmeans for closingthe front Aand rear carton and innerrontainer iapsand means for folding and sealing the side `Haps disposed at the rear of said inner container folding means.

14. In acombined inner container closing vand carton sealing machine the combination of a conveyer, inner container folder members having an inward and rearward work stroke and a vertical movement during the l latter. part of the work stroke, side flap spreaders arranged to spread the side flaps of the carton prior to the operation of said inner container folder members, and means rear of said inner `container folding means.

15. In a combined inner container closing and carton-'sealing machine the combination of a conveyer,' a compressor adapted to compress the material within `Lthe' containers when the same 1s above a predetermined level and adapted also to spread or open the mouths of the containers, inner `container l folder members adapted to' fold thev sides of`vthe inner containers, side ap spreaders ar-v ranged to spread the side liaps of the cartonprior to the operation of said inner container foldermembers, and means for closing the front and rear carton and inner container flaps 'and means for 4folding and sealing the side flaps disposedat the rear of said inner container folding means.

v16. In a combined inner container closing and carton sealing machine the combination ofa conveyer, inner container folder members adapted to foldthe sides of the inner containers, side Hap spreaders arranged to spread thev side laps of the carton prior to the operation of said inner container folder members, and means for closing the front and rear carton and inner containerrflaps and means for folding and sealing the side flapsv disposed at the rear of said inner container folding means.`

17. In a carton sealing machine, the combination of a conveyer, a pivotally mounted folder member, means for actuating said folder member transversely across and rearwardly relative to said conveyer and in a plane substantially parallel therewith, and

means for actuating said folder member on its pivot toward the conveyer lat the end of its work'stroke, i.

18. In acarton sealing machine, the combination of a conveyer, afolder member,`

means for actuating said'v folder ymember transversely across-:and rearwardly' relative to said conveyer and ina planesubstantially parallel therewith and toward said conveyer.l

at the end of the Workv stroke.

19.v In a'carton sealing machine, the combination of a conveyer having flights thereon,

and a compressor comprising a shaftmounted transversely above the conveyer, theshaft l, being provided with an arm having a curved shoe at its outer end and inwardly diverging deflectors at each side, the shaft and conveyer having driving connections so that the compressor shoe strikes into the open inner containers within the cartons as they are carried along by the conveyer.

20. In a carton sealing machine, the combination of a conveyerhaving flights thereon,

'and a-cornpressorv comprising a shaft mounted transversely above the-conveyer, the shaft being provided with an arm having a longi-l tudinally curved shoe at its outer 'end and for closing the frontand rear carton and' inner container flaps and means for folding and sealing the sideflaps disposed at the deectors on its sides, the shaft and conveyer pressor shoe strikesinto the open inner containers Within the cartonsv as' they are carried along-'by the conveyer.

21. In a combined inner container closing: and carton seallng machlne, the combination of a conveyer, inner container folder members adapted to fold the inner, sides of the inner containers and to press thesame downward, and-means f or closmg the (front and rear carton and thev inner -contalner flaps,

and means foi* folding and sealing the carton a eonveyer, inner container folder members.

adapted to foldv the sides of the inner contamers, means for closing the front and rear carton and. limer container flaps, and means 10 for folding anol sealing the Carton side 'laps disposed at the rear of said inner container folding means.

lln Witness whereof, l llave hereunto set my i hand and seal in the presence of two witmesses.

HARRY L. Joi-iNsoN.

Witnesses HAROLD CASE, ALICE .WHIM- 

